<template>
    <div>
        <template>
            <div>
                <el-button @click="show3 = !show3">待修复Bug</el-button>

                <div style="margin-top: 20px; height: 200px;">
                    <el-collapse-transition>
                        <div v-show="show3">
                            <div class="transition-box">图片无法展示问题</div>
                            <div class="transition-box">教师改卷体验感待提高</div>
                        </div>
                    </el-collapse-transition>
                </div>
            </div>
        </template>
    </div>
</template>


<script>
    export default {
        data: () => ({
            show3: false
        })
    }
</script>

<style>
    .transition-box {
        margin-bottom: 10px;
        width: 200px;
        height: 100px;
        border-radius: 4px;
        background-color: #409EFF;
        text-align: center;
        color: #fff;
        padding: 40px 20px;
        box-sizing: border-box;
        margin-right: 20px;
    }
</style>